ParameterChanged / FxParameterSettingAPI
ParameterChanged / FxParameterSettingAPI
- Subject: ParameterChanged / FxParameterSettingAPI
- From: darf <email@hidden>
- Date: Thu, 30 Mar 2006 21:04:41 -0600
Howdy,
Within 'parameterChanged' I would like to change the enabled state of
another parameter. The documentation states this is possible in a filter (
which my plugin is ). I have not been successful at retrieving the
FxParameterSettingAPI. I have not actually been able to retrieve any of the
parameter APIs successfully. Any ideas? Should this be possible?
Documentation:
Parameter Interaction
When a user changes a parameter control for an FxPlug plug-in, the host
application calls the plug-in method -parameterChanged:. In response, the
plug-in can change the state of other parameters. For example, if the value
of a toggle button changes, the plug-in can hide or reveal other parameter
controls, or change their values.
Note: In FxPlug 1.0, the -parameterChanged: method is included in the
FxFilter protocol, but not in the FxGenerator protocol. Generator plug-ins
that need to respond to parameter changes can use custom parameter UI.
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© 2005 Apple Computer, Inc. All Rights Reserved. (Last updated: 2005-06-04)
Regards,
David Farmer
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